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Sewage treatment plant, major discharger, Marysville, Washington. NPDES permit WA0022497 expired Nov 30, 2022; its limits still apply. Last 12 months: over a limit 8 times (last June 2026), 112 required values missing, 8 of 52 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| November 2025 | 001 | Flow, average | 7.28 | ≤ 6.6 MGD | 10% |
| December 2025 | 001 | Flow, average | 8.26 | ≤ 6.6 MGD | 25% |
| January 2026 | 001 | Flow, average | 7.23 | ≤ 6.6 MGD | 10% |
| March 2026 | 001 | Flow, average | 7.29 | ≤ 6.6 MGD | 10% |
| April 2026 | 001 | Flow, average | 6.63 | ≤ 6.6 MGD | 0% |
| May 2026 | 001 | Flow, average | 8.54 | ≤ 6.6 MGD | 29% |
| May 2026 | 100 | Solids, total suspended, average | 33.5 | ≤ 30 mg/L | 12% |
| June 2026 | 001 | Flow, average | 6.71 | ≤ 6.6 MGD | 2% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | average | report only (deg C) (alert, not enforceable) | all year | 001 |
| Temperature, water deg. centigrade | average | report only (deg C) (alert, not enforceable) | all year | 001 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | 001 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | 001 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | average | ≤ 1651 lb/d | all year | 001 |
| Solids, total suspended | average | ≤ 1651 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 2477 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 2477 lb/d | all year | 001 |
| Oil and grease, hexane extr method | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Oil and grease, hexane extr method | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 403 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 403 lb/d | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, total [as P] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, total [as P] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, dissolved reactive [drp as P] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, dissolved reactive [drp as P] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Cyanide, total [as CN] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Cyanide, total [as CN] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Hardness, total [as CaCO3] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Hardness, total [as CaCO3] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Arsenic, total [as As] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Arsenic, total [as As] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Beryllium, total [as Be] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Beryllium, total [as Be] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Cadmium, total [as Cd] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Cadmium, total [as Cd] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chromium, total [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chromium, total [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Copper, total [as Cu] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Copper, total [as Cu] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Lead, total [as Pb] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Lead, total [as Pb] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Thallium, total [as Tl] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Thallium, total [as Tl] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Nickel, total [as Ni] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Nickel, total [as Ni] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Silver, total [as Ag] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Silver, total [as Ag] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Zinc, total [as Zn] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Zinc, total [as Zn] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Antimony, total [as Sb] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Antimony, total [as Sb] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Selenium, total [as Se] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Selenium, total [as Se] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chromium, hexavalent dissolved [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chromium, hexavalent dissolved [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Total phenols | single reading | report only (ug/L) | all year | 001 |
| Dichlorobromomethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Dichlorobromomethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Carbon tetrachloride | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Carbon tetrachloride | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,2-Dichloroethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,2-Dichloroethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Bromoform | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Bromoform | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Dibromochloromethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Dibromochloromethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chloroform | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chloroform | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Toluene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Toluene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Phenolics, total | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Acenaphthylene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Acenaphthylene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Acenaphthene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Acenaphthene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Acrolein | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Acrolein | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Acrylonitrile | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Acrylonitrile | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Anthracene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Anthracene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzo[b]fluoranthene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzo[b]fluoranthene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzo[k]fluoranthene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzo[k]fluoranthene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzo[a]pyrene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzo[a]pyrene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Bis[2-chloroethyl] ether | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Bis[2-chloroethyl] ether | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Bis[2-chloro-1-methylethyl] ether | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Bis[2-chloroethoxy]methane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Bis[2-chloroethoxy]methane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Bis[2-chloroisopropyl] ether | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Bis[2-chloroisopropyl] ether | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Butyl benzyl phthalate | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Butyl benzyl phthalate | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chlorobenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chlorobenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chrysene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chrysene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Diethyl phthalate | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Diethyl phthalate | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Dimethyl phthalate | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Dimethyl phthalate | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,2-Diphenylhydrazine | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,2-Diphenylhydrazine | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Ethylbenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Ethylbenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Fluoranthene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Fluoranthene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Fluorene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Fluorene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Hexachlorocyclopentadiene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Hexachlorocyclopentadiene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Hexachloroethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Hexachloroethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Indeno[1,2,3-cd]pyrene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Indeno[1,2,3-cd]pyrene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Isophorone | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Isophorone | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Methyl bromide [Bromomethane] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Methyl bromide [Bromomethane] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Methyl chloride [Chloromethane] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Methyl chloride [Chloromethane] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Methylene chloride | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Methylene chloride | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| N-Nitrosodi-N-propylamine | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| N-Nitrosodi-N-propylamine | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| N-Nitrosodiphenylamine | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| N-Nitrosodiphenylamine | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| N-Nitrosodimethylamine [NDMA] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| N-Nitrosodimethylamine [NDMA] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Nitrobenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Nitrobenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Phenanthrene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Phenanthrene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Pyrene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Pyrene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,1-Dichloroethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,1-Dichloroethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,1-Dichloroethylene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,1-Dichloroethylene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,1,1-Trichloroethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,1,1-Trichloroethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,1,2-Trichloroethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,1,2-Trichloroethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,1,2,2-Tetrachloroethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,1,2,2-Tetrachloroethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzo[ghi]perylene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzo[ghi]perylene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzo[a]anthracene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzo[a]anthracene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,2-Dichlorobenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,2-Dichlorobenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,2-Dichloropropane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,2-Dichloropropane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| trans-1,2-Dichloroethylene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| trans-1,2-Dichloroethylene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,2,4-Trichlorobenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,2,4-Trichlorobenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Dibenz[a,h]anthracene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Dibenz[a,h]anthracene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,3-Dichlorobenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,3-Dichlorobenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,4-Dichlorobenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,4-Dichlorobenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2-Chloroethyl vinyl ether, [mixed] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2-Chloroethyl vinyl ether, [mixed] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2-Chloronaphthalene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2-Chloronaphthalene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2-Chlorophenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2-Chlorophenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2-Nitrophenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2-Nitrophenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Di-n-octyl phthalate | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Di-n-octyl phthalate | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2,4-Dichlorophenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2,4-Dichlorophenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2,4-Dimethylphenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2,4-Dimethylphenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2,4-Dinitrotoluene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2,4-Dinitrotoluene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2,4-Dinitrophenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2,4-Dinitrophenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2,4,6-Trichlorophenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2,4,6-Trichlorophenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2,6-Dinitrotoluene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 2,6-Dinitrotoluene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 3,3'-Dichlorobenzidine | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 3,3'-Dichlorobenzidine | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 4-Bromophenyl phenyl ether | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 4-Bromophenyl phenyl ether | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 4-Chlorophenyl phenyl ether | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 4-Chlorophenyl phenyl ether | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 4-Nitrophenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 4-Nitrophenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 4,6-Dinitro-o-cresol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 4,6-Dinitro-o-cresol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Naphthalene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Naphthalene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Pentachlorophenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Pentachlorophenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Di-n-butyl phthalate | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Di-n-butyl phthalate | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzidine | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzidine | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Vinyl chloride | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Vinyl chloride | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Hexachlorobenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Hexachlorobenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Hexachlorobutadiene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Hexachlorobutadiene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Phenols | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Phenols | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ 114 ug/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ 114 ug/L | all year | 001 |
| Chlorine, total residual | average | ≤ 60 ug/L | all year | 001 |
| Chlorine, total residual | average | ≤ 60 ug/L | all year | 001 |
| Chlorine, total residual | maximum | ≤ 156 ug/L | all year | 001 |
| Chlorine, total residual | maximum | ≤ 156 ug/L | all year | 001 |
| Dibenz[a,h]acridine | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Dibenz[a,h]acridine | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Dibenzo[a,e]pyrene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Dibenzo[a,e]pyrene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Dibenzo[a,h]pyrene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Dibenzo[a,h]pyrene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 3-Methylcholanthrene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 3-Methylcholanthrene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 4-Chloro-3-methylphenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 4-Chloro-3-methylphenol | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Solids, total dissolved | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Solids, total dissolved | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Mercury, total [as Hg] | single reading | report only (ng/L) (alert, not enforceable) | all year | 001 |
| Mercury, total [as Hg] | single reading | report only (ng/L) (alert, not enforceable) | all year | 001 |
| Dibenz[a,j]acridine | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Dibenz[a,j]acridine | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzo[rst]pentaphene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzo[rst]pentaphene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 001 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 001 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 001 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 001 |
| Flow | average | report only (MGD) | all year | 001 |
| Flow | average | ≤ 6.6 MGD | all year | 001 |
| Flow | average | ≤ 6.6 MGD | all year | 001 |
| Flow | maximum | ≤ 1 MGD | all year | 001 |
| Flow | maximum | ≤ 1 MGD | all year | 001 |
| Flow | maximum | report only (MGD) | all year | 001 |
| 1,3-Dichloropropene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| 1,3-Dichloropropene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Perylene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Perylene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzo[j]fluoranthene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Benzo[j]fluoranthene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Tetrachloroethene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Tetrachloroethene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Trichloroethene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Trichloroethene | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | average | ≤ 25 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | average | ≤ 25 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | average | ≤ 25 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | average | ≤ 25 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 40 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 40 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 40 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 40 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 672 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 672 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | average | ≤ 1376 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | average | ≤ 1376 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 2202 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 2202 lb/d | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Carbonaceous oxygen demand, % removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Chloroethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chloroethane | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Temperature, water deg. centigrade | average | report only (deg C) (alert, not enforceable) | all year | 100 |
| Temperature, water deg. centigrade | average | report only (deg C) (alert, not enforceable) | all year | 100 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | 100 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | 100 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | 100 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | 100 |
| pH | daily minimum | ≥ 6 SU | all year | 100 |
| pH | daily minimum | ≥ 6 SU | all year | 100 |
| pH | daily maximum | ≤ 9 SU | all year | 100 |
| pH | daily maximum | ≤ 9 SU | all year | 100 |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 100 |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 100 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 100 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 100 |
| Solids, total suspended | average | ≤ 3180 lb/d | all year | 100 |
| Solids, total suspended | average | ≤ 3180 lb/d | all year | 100 |
| Solids, total suspended | weekly average | ≤ 4770 lb/d | all year | 100 |
| Solids, total suspended | weekly average | ≤ 4770 lb/d | all year | 100 |
| Nitrogen, ammonia total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 100 |
| Nitrogen, ammonia total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 100 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 100 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 100 |
| Nitrogen, Kjeldahl, total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 100 |
| Nitrogen, Kjeldahl, total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 100 |
| Nitrite + Nitrate total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 100 |
| Nitrite + Nitrate total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 100 |
| Phosphorus, total [as P] | average | report only (mg/L) (alert, not enforceable) | all year | 100 |
| Phosphorus, total [as P] | average | report only (mg/L) (alert, not enforceable) | all year | 100 |
| Phosphorus, dissolved reactive [drp as P] | average | report only (mg/L) (alert, not enforceable) | all year | 100 |
| Phosphorus, dissolved reactive [drp as P] | average | report only (mg/L) (alert, not enforceable) | all year | 100 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 100 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 100 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 100 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 100 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | 100 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | 100 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 100 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 100 |
| BOD, carbonaceous [5 day, 20 C] | average | ≤ 25 mg/L | all year | 100 |
| BOD, carbonaceous [5 day, 20 C] | average | ≤ 25 mg/L | all year | 100 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 40 mg/L | all year | 100 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 40 mg/L | all year | 100 |
| BOD, carbonaceous [5 day, 20 C] | average | ≤ 2650 lb/d | all year | 100 |
| BOD, carbonaceous [5 day, 20 C] | average | ≤ 2650 lb/d | all year | 100 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 4240 lb/d | all year | 100 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 4240 lb/d | all year | 100 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 100 |
| Carbonaceous oxygen demand, % removal | monthly average minimum | ≥ 85 % | all year | 100 |
| BOD, 5-day, 20 deg. C | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | IN1 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | IN1 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | IN1 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | IN1 |
| BOD, carbonaceous [5 day, 20 C] | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, carbonaceous [5 day, 20 C] | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, carbonaceous [5 day, 20 C] | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, carbonaceous [5 day, 20 C] | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, carbonaceous [5 day, 20 C] | average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, carbonaceous [5 day, 20 C] | average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, carbonaceous [5 day, 20 C] | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, carbonaceous [5 day, 20 C] | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
Cited limits by parameter: Washington's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/WA0022497 · MCP: https://passage-data.com/mcp